Fluorimetric determination of bromoform via its photochemical reaction with diphenylamine in aqueous Triton X-100 medium

被引：0
|
作者：
Pal, A [1 ]
Bandyopadhyay, M [1 ]
机构：
[1] Indian Inst Technol, Dept Civil Engn, Kharagpur 721302, W Bengal, India
来源：
INDIAN JOURNAL OF CHEMICAL TECHNOLOGY | 2001年 / 8卷 / 02期
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D O I：
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中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A new fluorimetric method based on the photochemical reaction of CHBr3 with diphenylamine (DPA) in aqueous Triton X-100 (TX-100) medium is described for the determination of bromoform (CHBr3). The fluorescence intensity of the product at 480nm (lambda ex: 400nm) is a direct measure of CHBr3 concentration. The calibration graph is linear in the range of 0-21.8 ppm of CHBr3. The limit of detection (LOD) is 0.1 ppm of CHBr3. The effect of reagent concentration, TX-100 concentration, time of irradiation, interfering substances, and statistical parameters are discussed.
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页码：83 / 87
页数：5
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